FROM TH2F
constant
0.02590885546311803+-0.024546517523787108
chi2/ndof = 0.007099217600534581
plane
0.08342479633978264+-0.17357379346324286
invpt slope = 0.005757287618552799+-0.03017309075004998
theta slope = -0.05630438630261474+-0.13562483153976923
chi2/ndof = 0.001246686981770447
from tgraph2D
constant
0.031398510476065795+-0.0024818326731083137
chi2/ndof = 0.00028333669718907294
plane
0.095882091860315+-0.005459424352679084
invpt slope = 0.004708264694476198+-0.0011475042114049729
theta slope = -0.0652234661182927+-0.004475201638739314
chi2/ndof = 4.463093477985899e-05